Compare 440 vs 447
| Property | 440 | 447 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 111 | 31 × 1491 |
| Prime factorization | 2 × 2 × 2 × 5 × 11 | 3 × 149 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440 | 1, 3, 149, 447 |
| Number of properties | 0 | 1 |
| Semiprimes | 138th | |
| Roman numberals | CDXL | CDXLVII |
| Base 2 | 1101110002 | 1101111112 |
| Base 3 | 1210223 | 1211203 |
| Base 4 | 123204 | 123334 |
| Base 5 | 32305 | 32425 |
| Base 6 | 20126 | 20236 |
| Base 7 | 11667 | 12067 |
| Base 8 | 6708 | 6778 |
| Base 9 | 5389 | 5469 |
| Base 10 | 44010 | 44710 |
| Base 11 | 37011 | 37711 |
| Base 12 | 30812 | 31312 |
| Base 13 | 27b13 | 28513 |
| Base 14 | 23614 | 23d14 |
| Base 15 | 1e515 | 1ec15 |
| Base 16 | 1b816 | 1bf16 |